Model: 28000-504-1.25

Safety Relief Valve

Special Features:

Body of valve is hex shaped

Properties:

Thread Direction

Right-hand all ends

Valve Discharge Flow Rate

25.0 gallons per minute

Maximum Operating Temp

250.0 degrees fahrenheit single response

Connection Style

G46b plain (pipe) all ends

Valve Operation Method

Manual

Connection Type

Threaded external pipe all ends

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.500 inches all ends

Material

Steel

Thread Series Designator

Nptf all ends

NSN

4820-01-476-2891

Part Number

28000-504-1.25

Description

Valve,safety Relief

CAGE

58143

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Part 28000-504-1.25 NSN 4820-01-476-2891

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

127220

UFC:

64490

LTL:

77.5

LCL:

WCC:

594

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8481400000
SITC: 74740
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Safety or relief valves